code: def __init__(self, fn: types.FunctionType):
      self.fn = fn
  
file_path: equinox/equinox/internal/_closure_to_pytree.py
imports: import inspect
  import types
  from typing import Any, Optional
  import jax.tree_util
  from .._module import Module
label_desc: Use image node_id 1 to create a new _FunctionWithEquality object  with example: obj = _FunctionWithEquality(fn)